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Amount classified as accounts payable attributable to disposal group held for sale or disposed of.

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Note 15 - Acquisitions (Details Textual) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	May 27, 2016	Sep. 28, 2015	Dec. 31, 2016	Jul. 27, 2015	May 04, 2015	Feb. 09, 2015
Peterbilt in Charlotte [Member]
Proceeds from Sales of Business, Affiliate and Productive Assets		$ 6,400
Disposal Group, Including Discontinued Operation, Accounts Payable		5,900
Transwest Truck Center and Ford Truck Franchise in Las Vegas [Member]
Business Combination, Consideration Transferred	$ 800
Peterbilt of Las Vegas [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		$ 3,400
Dallas Truck Center, Inc. [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net				$ 3,257
Yancey Truck Centers LLC [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net					$ 30,057
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			15 years
Effingham Truck Sales Inc. [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net						$ 25,261
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			15 years